package com.qf.interceptor;

import com.qf.bean.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class AuthenInterceptor implements HandlerInterceptor{
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest,
                             HttpServletResponse httpServletResponse,
                             Object o) throws Exception {

        HttpSession session = httpServletRequest.getSession();
         User user = (User) session.getAttribute("user");
         if(user==null){
             return true;

         }else{

             httpServletResponse.sendRedirect(httpServletRequest.getContextPath()+"/user/login");
             return false;
         }


    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
